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Given a text, write a compressed version of it in a single sentence.

Join us in helping the School of Liberal Arts be all that it can be. Complete and mail the enclosed form in the self-addressed postage-paid envelope with your check made to the ill Foundation/Liberal Arts Senior Challenge.
Output:
Join us in helping the School of Liberal Arts be all that it can be. Complete and mail the enclosed form in the self-addressed postage-paid envelope with your check.